1 files changed, 113 insertions, 0 deletions
diff --git a/aai-core/src/main/java/org/openecomp/aai/restcore/util/URITools.java b/aai-core/src/main/java/org/openecomp/aai/restcore/util/URITools.java
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--- /dev/null
+++ b/aai-core/src/main/java/org/openecomp/aai/restcore/util/URITools.java
@@ -0,0 +1,113 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.openecomp.aai
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.aai.restcore.util;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Optional;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import javax.ws.rs.core.MultivaluedHashMap;
+import javax.ws.rs.core.MultivaluedMap;
+
+import org.springframework.web.util.UriUtils;
+
+import org.openecomp.aai.introspection.Introspector;
+import org.openecomp.aai.introspection.sideeffect.exceptions.AAIMissingRequiredPropertyException;
+import org.openecomp.aai.schema.enums.PropertyMetadata;
+
+public class URITools {
+
+	protected static final Pattern template = Pattern.compile("\\{(.*?)\\}");
+
+	public static MultivaluedMap<String, String> getQueryMap(URI uri) {
+		MultivaluedMap<String, String> result = new MultivaluedHashMap<>();
+		String queryParams = uri.getRawQuery();
+		if (queryParams != null) {
+			try {
+				String[] sections = queryParams.split("&");
+				String[] query = null;
+				String key, value = "";
+				for (String section : sections) {
+					query = section.split("=");
+					key = UriUtils.decode(query[0], "UTF-8");
+					value = UriUtils.decode(query[1], "UTF-8");
+					if (result.containsKey(key)) {
+						result.add(key, value);
+					} else {
+						result.putSingle(key, value);
+					}
+				}
+			} catch (UnsupportedEncodingException e ) {
+				
+			}
+		}
+		return result;
+		
+	}
+	
+	public static Optional<String> replaceTemplates(Introspector obj, String uriString, PropertyMetadata metadata, boolean replaceWithWildcard) throws AAIMissingRequiredPropertyException {
+		String result = uriString;
+		final Map<String, String> propMap = URITools.findProperties(obj, uriString, metadata, replaceWithWildcard);
+		if (propMap.isEmpty()) {
+			return Optional.empty();
+		}
+		for (Entry<String, String> entry : propMap.entrySet()) {
+			result = result.replaceAll("\\{" + entry.getKey() + "\\}", entry.getValue());
+		}
+		//drop out wildcards if they exist
+		result = result.replaceFirst("/[^/]+?(?:/\\*)+", "");
+		return Optional.of(result);
+	}
+	
+	private static Map<String, String> findProperties(Introspector obj, String uriString, PropertyMetadata metadata, boolean replaceWithWildcard) throws AAIMissingRequiredPropertyException {
+		
+		final Map<String, String> result = new HashMap<>();
+		final Set<String> missing = new LinkedHashSet<>();
+		Matcher m = template.matcher(uriString);
+		int properties = 0;
+		while (m.find()) {
+			String propName = m.group(1);
+			String value = obj.getValue(propName);
+			properties++;
+			if (value != null) {
+				result.put(propName, value);
+			} else {
+				if (replaceWithWildcard) {
+					result.put(propName, "*");
+				}
+				missing.add(propName);
+			}
+		}
+		
+		if (!missing.isEmpty() && (properties != missing.size())) {
+			throw new AAIMissingRequiredPropertyException("Cannot complete " + metadata.toString() + " uri. Missing properties " + missing);
+		}
+		return result;
+	}
+	
+}